15000063 has 32 divisors (see below), whose sum is σ = 23439360. Its totient is φ = 8449920.

The previous prime is 15000053. The next prime is 15000067. The reversal of 15000063 is 36000051.

It is not a de Polignac number, because 15000063 - 2⁵ = 15000031 is a prime.

15000063 is a modest number, since divided by 63 gives 15 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22645 + ... + 23297.

It is an arithmetic number, because the mean of its divisors is an integer number (732480).

Almost surely, 2^15000063 is an apocalyptic number.

15000063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15000063 is a deficient number, since it is larger than the sum of its proper divisors (8439297).

15000063 is a wasteful number, since it uses less digits than its factorization.

15000063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 15000063 is about 3872.9914794639. The cubic root of 15000063 is about 246.6215527023.

The spelling of 15000063 in words is "fifteen million, sixty-three", and thus it is an aban number and an uban number.